#include <muduo/net/TcpClient.h>
#include <muduo/net/EventLoop.h>
#include <muduo/net/EventLoopThread.h>
#include <muduo/net/TcpConnection.h>
#include <muduo/net/Buffer.h>
#include <muduo/base/CountDownLatch.h>
#include <iostream>
#include <string>

class DictClient
{
public:
    DictClient(const std::string &ip, int port)
        :_baseloop(_loopthread.startLoop())
        ,_downlatch(1)
        ,_client(_baseloop, muduo::net::InetAddress(ip, port), "DictClient")
    {
        _client.setConnectionCallback(std::bind(&DictClient::onConnection, this, std::placeholders::_1));
        _client.setMessageCallback(std::bind(&DictClient::onMessage, this, 
                        std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
        
        //连接服务器
        _client.connect();
        _downlatch.wait();
    }

    void send(const std::string msg)
    {
        if(_conn->connected() == false)
        {
            std::cout << "连接已经断开，发送数据失败！\n";
            return;
        }
        else
        {
            _conn->send(msg);
        }
    }

private:
    void onConnection(const muduo::net::TcpConnectionPtr &conn)
    {
        if(conn->connected())
        {
            std::cout << "连接建立！\n";
            _downlatch.countDown();//计数--，为0时唤醒阻塞
            _conn = conn;
        }
        else
        {
            std::cout << "连接断开！\n";
            _conn.reset();
        }
    }

    void onMessage(const muduo::net::TcpConnectionPtr &conn, muduo::net::Buffer *buf, muduo::Timestamp)
    {
        std::string res = buf->retrieveAllAsString();
        std::cout << res << std::endl;
    }

private:
    muduo::net::TcpConnectionPtr _conn;
    muduo::CountDownLatch _downlatch;
    muduo::net::EventLoopThread _loopthread;
    muduo::net::EventLoop *_baseloop;
    muduo::net::TcpClient _client;

};

int main()
{
    DictClient dict("0.0.0.0", 8080);
    while(1)
    {
        std::string msg;
        std::cin >> msg;
        dict.send(msg);
    }

    return 0;
}
